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# ADVANCED COMPUTER TECHNOLOGY, LTD.
T386-25/HS
Processor 80386DX
Processor Speed 25MHz
Chip Set ACT
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 270mm x 220mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Turbo LED | JP3 | Reset switch | JP14 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP10 | Speaker | JP19 |
|---------------------+----------+----------------+----------|
| External battery | JP11 | Turbo switch | JP20 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select CGA | JP6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select | JP6 | pins 1 & 2 |
| | EGA/VGA/monochrome | | closed |
|---+----------------------------------+--------+------------|
| » | Battery select internal | JP12 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery select external | JP12 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP13 | pins 1 & 2 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP13 | pins 2 & 3 |
| | CPU | | closed |
|---+----------------------------------+--------+------------|
| » | DRAM select fast refresh | JP15 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | DRAM select normal refresh | JP15 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Parity check enabled | JP16 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parity check disabled | JP16 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|------+--------------+------------+------------+------------|
| 1MB | NONE | NONE | (4) 256K x | NONE |
| | | | 9 | |
|------+--------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 2MB | NONE | NONE | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+--------------+------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (4) 256K x | NONE |
| | 36 | 36 | 9 | |
|------+--------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (4) 256K x | (4) 256K x |
| | 36 | 36 | 9 | 9 |
|------+--------------+------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (4) 1M x 9 | NONE |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | 36 | 36 | | |
|------+--------------+------------+------------+------------|
| 16MB | NONE | NONE | (4) 4M x 9 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 | JP18 | JP21 | JP30 | JP33 |
|---------+----------+----------+----------+--------+--------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 1MB | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|---------+----------+----------+----------+--------+--------|
| 2MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 2MB | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
|---------+----------+----------+----------+--------+--------|
| 3MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 4MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 6MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 10MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|---------+----------+----------+----------+--------+--------|
| 16MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | Off | Off | Off | Off | Off | Off |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | Off | Off | Off | Off | Off | Off |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | Off | Off | On | Off | Off | On |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | Off | Off | On | Off | Off | On |
|-------+--------+--------+--------+--------+--------+-------|
| 3MB | Off | Off | On | Off | On | Off |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | On | On | On | Off | On | On |
|-------+--------+--------+--------+--------+--------+-------|
| 6MB | Off | Off | On | On | On | Off |
|-------+--------+--------+--------+--------+--------+-------|
| 10MB | Off | On | On | On | On | On |
|-------+--------+--------+--------+--------+--------+-------|
| 16MB | Off | Off | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1/1 | SW1/2 |
|---------------------------------+-------------+------------|
| Refresh select 1 per wait state | Off | Off |
|---------------------------------+-------------+------------|
| Refresh select 2 per wait state | Off | On |
|---------------------------------+-------------+------------|
| Refresh select 4 per wait state | On | Off |
|---------------------------------+-------------+------------|
| Refresh select 8 per wait state | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU CONFIGURATION |
|------------------------------------------------------------|
| Type | JP2 | JP4 |
|------------------+--------------------+--------------------|
| 80387 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 3167 | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+